2147668969 has 2 divisors, whose sum is σ = 2147668970. Its totient is φ = 2147668968.

The previous prime is 2147668967. The next prime is 2147668993. The reversal of 2147668969 is 9698667412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2131022569 + 16646400 = 46163^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2147668969 - 2¹ = 2147668967 is a prime.

It is a super-2 number, since 2×2147668969² = 9224964000811045922, which contains 22 as substring.

Together with 2147668967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2147668961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073834484 + 1073834485.

It is an arithmetic number, because the mean of its divisors is an integer number (1073834485).

Almost surely, 2^2147668969 is an apocalyptic number.

It is an amenable number.

2147668969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147668969 is an equidigital number, since it uses as much as digits as its factorization.

2147668969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 58.

The square root of 2147668969 is about 46342.9495069099. The cubic root of 2147668969 is about 1290.1962662337.

The spelling of 2147668969 in words is "two billion, one hundred forty-seven million, six hundred sixty-eight thousand, nine hundred sixty-nine".